Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/45-21 | 265/60-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.39 (771.9) | 30.52 (775.2) | 0.13 (3.3) 0.4% |
| Width inches (mm) | 10.43 (265) | 10.43 (265) | 0 (0) 0% |
| Circum. inches (mm) | 95.47 (2425) | 95.88 (2435.36) | 0.41 (10.37) 0.4% |
| Sidewall Height inches (mm) | 4.69 (119.25) | 6.26 (159) | 1.56 (39.75) 33.3% |
| Revolutions per mile (km) | 663.65 (412.37) | 660.82 (410.62) | -2.83 (-1.76) -0.4% |
265/60-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.09 mph (32.32 km/h) |
| 25 mph (40.23 km/h) | 25.11 mph (40.41 km/h) |
| 30 mph (48.28 km/h) | 30.13 mph (48.49 km/h) |
| 35 mph (56.33 km/h) | 35.15 mph (56.57 km/h) |
| 40 mph (64.37 km/h) | 40.17 mph (64.65 km/h) |
| 45 mph (72.42 km/h) | 45.19 mph (72.73 km/h) |
| 50 mph (80.47 km/h) | 50.21 mph (80.81 km/h) |
| 55 mph (88.51 km/h) | 55.24 mph (88.89 km/h) |
| 60 mph (96.56 km/h) | 60.26 mph (96.97 km/h) |
| 65 mph (104.61 km/h) | 65.28 mph (105.05 km/h) |
| 70 mph (112.65 km/h) | 70.3 mph (113.14 km/h) |
| 75 mph (120.7 km/h) | 75.32 mph (121.22 km/h) |
| 80 mph (128.75 km/h) | 80.34 mph (129.3 km/h) |
| 85 mph (136.79 km/h) | 85.36 mph (137.38 km/h) |
| 90 mph (144.84 km/h) | 90.38 mph (145.46 km/h) |
| 95 mph (152.89 km/h) | 95.41 mph (153.54 km/h) |
| 100 mph (160.93 km/h) | 100.43 mph (161.62 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1682 | 1954 | 2104 | 2197 | 2297 | 2369 | 2447 | 2540 | 2669 | 2798 | 2941 | 3056 | 3263 | 3492 | 3671 | 3786 | 3850 | 4086 | 4415 | 5131 |
Better Fuel Economy Factory Ratios Increased Power
